Flight Kualanamu International Airport departs from Medan Kualanamu International Airport at 11:50 and arrives at Sibolga Ferdinand Lumban Tobing Airport at 12:45.
The flighttime is about 0h 55m. The distance travelled ("as the bird flies"): 72 Km. So the average speed is roughly 79 Km.
The best day to arrive at Medan is Monday and it would be best to avoid Sunday, as prices are on average 27.39% higher than on Monday. (Average prices, based on 153327 datapoints.)
We have a lot more statistics for flights IW 1258 and between Medan and Sibolga.